tests/spec/khr_parallel_shader_compile/basic.c

   1 /*
   2  * Copyright © 2018 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include "piglit-util-gl.h"
  25
  26 PIGLIT_GL_TEST_CONFIG_BEGIN
  27
  28         config.supports_gl_compat_version = 10;
  29         config.supports_gl_es_version = 30;
  30
  31         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  32         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  33
  34 PIGLIT_GL_TEST_CONFIG_END
  35
  36 static void
  37 create_program(float f)
  38 {
  39         char vscode[4096], fscode[4096];
  40
  41         snprintf(vscode, sizeof(vscode),
  42                  "void main() { gl_Position = vec4(%f); }", f);
  43         snprintf(fscode, sizeof(fscode),
  44                  "void main() { gl_FragColor = vec4(%f); }", f);
  45
  46         piglit_build_simple_program(vscode, fscode);
  47 }
  48
  49 static void
  50 check_max_shader_compiler_threads(unsigned expected)
  51 {
  52         GLint threads;
  53         glGetIntegerv(GL_MAX_SHADER_COMPILER_THREADS_KHR, &threads);
  54         if (!piglit_check_gl_error(GL_NO_ERROR))
  55                 piglit_report_result(PIGLIT_FAIL);
  56
  57         if (threads != expected)
  58                 piglit_report_result(PIGLIT_FAIL);
  59 }
  60
  61 void
  62 piglit_init(int argc, char **argv)
  63 {
  64         piglit_require_extension("GL_KHR_parallel_shader_compile");
  65
  66         /* Test the query. */
  67         check_max_shader_compiler_threads(0xffffffff);
  68
  69         /* Test the initial compilation completion status. */
  70         GLint status;
  71         GLuint shader = glCreateShader(GL_VERTEX_SHADER);
  72         glGetShaderiv(shader, GL_COMPLETION_STATUS_KHR, &status);
  73         if (!piglit_check_gl_error(GL_NO_ERROR))
  74                 piglit_report_result(PIGLIT_FAIL);
  75         if (status != GL_TRUE) {
  76                 puts("glGetShaderiv incorrect initial completion status");
  77                 piglit_report_result(PIGLIT_FAIL);
  78         }
  79
  80         GLuint program = glCreateProgram();
  81         glGetProgramiv(program, GL_COMPLETION_STATUS_KHR, &status);
  82         if (!piglit_check_gl_error(GL_NO_ERROR))
  83                 piglit_report_result(PIGLIT_FAIL);
  84         if (status != GL_TRUE) {
  85                 puts("glGetProgramiv incorrect initial completion status");
  86                 piglit_report_result(PIGLIT_FAIL);
  87         }
  88
  89         /* Change the thread count to test that the driver doesn't crash.
  90          * Drivers are not required to obey this.
  91          */
  92         unsigned counter = 0;
  93         for (unsigned i = 0; i < 40; i++)
  94                 create_program(counter++);
  95         glMaxShaderCompilerThreadsKHR(1);
  96         check_max_shader_compiler_threads(1);
  97
  98         for (unsigned i = 0; i < 40; i++)
  99                 create_program(counter++);
 100         glMaxShaderCompilerThreadsKHR(20);
 101         check_max_shader_compiler_threads(20);
 102
 103         for (unsigned i = 0; i < 40; i++)
 104                 create_program(counter++);
 105         glMaxShaderCompilerThreadsKHR(2);
 106         check_max_shader_compiler_threads(2);
 107
 108         piglit_report_result(PIGLIT_PASS);
 109 }
 110
 111 enum piglit_result
 112 piglit_display(void)
 113 {
 114         return PIGLIT_FAIL;
 115 }